Trigger Sprayer Complete Guide
A trigger sprayer is a manual liquid dispensing device, widely used for household cleaning, gardening, car care, disinfection, chemicals, etc. It works by squeezing the trigger to drive the internal pump, drawing liquid from the bottle and spraying it out in mist, stream, foam or other forms.
✅ Basic Structure & Working Principle
Main Parts
- Nozzle: Adjusts spray mode (mist/stream/foam/off), controls flow & spray angle.
- Trigger: Ergonomic lever to activate pump; 2–3 finger design for comfort.
- Pump System: Piston, spring, valve – creates pressure to suck & push liquid.
- Dip Tube: Long tube reaching bottle bottom; most work 360° even when tilted.
- Cap/Closure: Standard thread size to fit bottles: 24/410, 28/400, 28/410 (most common).
- Seals/Gaskets: Prevent leakage & air entry.
How It Works
- Repeat cycle; output: 0.25–3.5ml per stroke.


- Standard Neck: 28/410 (most universal), 28/400, 24/410
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- Output: 0.8–1.2ml (standard), 1.4–2.0ml (heavy duty)
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- Material: PP (body), LDPE (tube), stainless steel spring, glass ball valve
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- Temp range: -10°C ~ +50°C
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- Certifications: SGS, ISO, FDA available
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